同步式與分段式互穿網型結構之環氧樹脂/交鏈CTBN奈米複材之微相形態及其性質研究

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研究生：	陳瑋呈 Wei-Cheng Chen
論文名稱：	同步式與分段式互穿網型結構之環氧樹脂/交鏈CTBN奈米複材之微相形態及其性質研究 Morphologies and properties of the IPN-structured epoxy resin/vulcanized CTBN nanocomposites through sequential and simultaneous processes
指導教授：	許應舉 Ying-Gev Hsu
口試委員:	謝國煌 Kuo-Huang Hsieh 林河木 Ho-Mu Lin 黃介銘 Jieh-Ming Huang 陳耿明 Keng-Ming Chen
學位類別：	碩士 Master
系所名稱：	工程學院 - 材料科學與工程系 Department of Materials Science and Engineering
論文出版年：	2008
畢業學年度：	96
語文別：	中文
論文頁數：	66
中文關鍵詞：	互穿型網狀高分子、環氧樹脂、交鏈CTBN 、穿透式電子顯微鏡、拉伸韌性
外文關鍵詞：	Interpenetrating polymer networks, epoxy, Cross-Linked CTBN, TEM, tensile toughness
相關次數：	點閱：272 下載：3
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本研究將鄰-甲酚環氧樹脂（o-cresol novolac epoxy resin, CNE）、4,4’-二胺基二苯基碸（4,4’-diamino diphenyl sulfone, DDS）、2-甲基咪唑（2-methyl imidazole, 2-MI）、端羧基丁腈橡膠（carboxyl-terminated butadiene acrylonitrile rubber, CTBN）、過氧化苯甲醯基（benzoyl peroxide, BPO）混合均勻，調製成透明黏液─CNE/DDS/2-MI/CTBN/BPO─後加熱進行熱硬化反應，使CNE/DDS/2-MI及CTBN/BPO兩種不同機制的聚合反應以分段式或同步式引發相分離，製備二種系列─SEQ-IPN（sequential-IPN）及SIM-IPN（simultaneous-IPN）─之IPN結構Epoxy/CL-CTBN（Cross-Linked CTBN）奈米複材，以DSC、IR、TEM、SAXS、DMA、Instron與TGA等儀器測定SIM-IPN及SEQ-IPN系列複材之形態和各種物性。實驗結果發現，經由TEM與SAXS觀察分析，SIM-IPN系列複材中CL-CTBN是以奈米級尺寸分佈在環氧基質中，形成兩相互相穿梭程度高且非常緻密的微細構造；在DMA之分析測試中，SIM-IPN之α-relaxation peak形狀更為寬廣且Tg點更高，表示在相同硬化條件下其反應性更佳，架橋密度更高，影響所及β-與ω-relaxation的運動過程受到抑制，於tan δ曲線上較不顯著；而就熱安定性與拉伸韌性而言，SIM-IPN系列複材的特性均明顯優於相對應之傳統混掺與SEQ-IPN系列複材。

The interpenetrating-network-structured (IPN-structured) epoxy resin/vulcanized CTBN composites were prepared. By in situ heat-curing the homogeneous mixture of o-cresol novolac epoxy resin (CNE), 4,4’-diaminodiphenyl sulfone (DDS), carboxyl-terminated butadiene acrylonitrile rubber (CTBN), 2-methyl imidazole (2-MI), and benzoyl peroxide (BPO) via respective sequential and simultaneous processes involving chemically induced phase separation (CIPS), the nanocomposites with different morphologies were afforded. The epoxy network was obtained by step-growth polyaddition polymerization of CNE and DDS catalyzed by 2-MI, while the vulcanized CTBN network was obtained by free radical polymerization of CTBN initiated by BPO. The morphologies and properties of the IPN-structured nanocomposites from the two different processes were investigated and analyzed by DSC, IR, TEM, SAXS, DMA, Instron, and TGA...etc. It was found that for the nanocomposites, SIM-IPN (simultaneous-IPN) series, obtained from the simultaneous process, the nanometer-sized domain of the dispersed vulcanized CTBN in the CNE/DDS matrix was smaller and evener than that of nanocomposites, SEQ-IPN (sequential-IPN) series, obtained from the sequential process. The properties such as dynamic mechanical property, thermal resistance, and tensile toughness of the SIM-IPN series were improved and enhanced more significantly than that of the SEQ-IPN series and the conventional blends.

中文摘要……………………………………………………..…..……….I
英文摘要…………………………….…………………………………. II
誌謝…………………………………….………………………………III
目錄………………………………………..……………………………IV
附圖索引…………………...……………….……………….….………VI
附表索引………………………………………...………….………...VIII
一、	前言--------------------------------------------------------------------1
二、	文獻回顧--------------------------------------------------------------4
2.1	液態橡膠增韌環氧樹脂之研究-----------------------------4
2.2	互穿網絡結構之增韌研究-----------------------------------7
三、	基本原理------------------------------------------------------------10
3.1	環氧樹脂之硬化反應---------------------------------------10
3.1.1 2-MI之催化作用--------------------------------------13
3.2	CTBN橡膠之交鏈反應-------------------------------------14
3.3	互穿網狀型高分子------------------------------------------17
3.4	SAXS分析IPN結構之原理--------------------------------20
四、	實驗部分------------------------------------------------------------23
4.1	實驗藥品------------------------------------------------------23
4.2	複合材料製備------------------------------------------------25
4.3	儀器測試與分析---------------------------------------------27
五、	結果與討論---------------------------------------------------------30
5.1	複合材料之反應性分析------------------------------------30
5.1.1 CNE/DDS與CTBN之硬化反應鑑定--------------30
5.1.2 SIM-IPN系列複材之製備條件分析---------------33
5.1.3 SEQ-IPN系列複材之製備條件分析---------------37
5.2	複合材料之結構鑑定---------------------------------------39
5.3	微相形態分析------------------------------------------------41
5.4	小角度X光散射分析---------------------------------------44
5.5	動態機械性質分析------------------------------------------48
5.6	熱性質分析---------------------------------------------------55
5.7	拉伸韌性分析------------------------------------------------60
六、	結論------------------------------------------------------------------63
七、	參考文獻------------------------------------------------------------64

                                

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